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Finding the Third Proportional to 879,960 and 1,372,524

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Solution

The third proportional to 879,960 and 1,372,524 is: 2,140,804.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,960 : 1,372,524 = 1,372,524 : x
  2. Step 2: Convert to fraction form
    879,960/1,372,524 = 1,372,524/x
  3. Step 3: Cross multiply
    879,960x = 1,372,524 × 1,372,524
  4. Step 4: Simplify right side
    879,960x = 1,883,822,130,576
  5. Step 5: Solve for x
    x = 1,883,822,130,576/879,960
  6. Step 6: Final answer
    x = 2,140,804.28

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.